a(n) = (11*n)^2.

Terms

a(0) =0a(1) =121a(2) =484a(3) =1089a(4) =1936a(5) =3025a(6) =4356a(7) =5929a(8) =7744a(9) =9801a(10) =12100a(11) =14641a(12) =17424a(13) =20449a(14) =23716a(15) =27225a(16) =30976a(17) =34969a(18) =39204a(19) =43681a(20) =48400a(21) =53361a(22) =58564a(23) =64009a(24) =69696a(25) =75625a(26) =81796a(27) =88209a(28) =94864a(29) =101761